W W W . S S B T E C H C O M P U T E R . B L O G S P O T . C O M
Computer System
Computer-- A computer is an electronic device that accepts input from the user, processes that & tries to deliver meaningful information to the user according to his wishlist. It is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. It is a programmable machine that is both electronic and digital. The actual machinery is hardware. The software runs over it.
The computer did his work in three steps.3
1) Input or DATA will be given by humanware (USER) through input devices such as-Keyboard, Mouse, Joystick, Scanner, Digitizer.
2) The Input will go to your processor which is generally known as CPU( Central Processing Unit)
3) After processing the DATA by Processor it will be shown to the USER on Output devices such as:: Monitor, Speaker, Printer etc.
System--A computer system is a collection of three main components---
1) Hardware
2) Humanware
3) Software & Protocols
Input Devices, Output Devices, Processor
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